板式換熱(re)(re)(re)(re)器本身技術指(zhi)標(biao)上存(cun)在(zai)過(guo)流(liu)孔徑(jing),進(jin)(jin)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)(zhi)請求(qiu),經過(guo)比照實踐進(jin)(jin)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)(zhi)指(zhi)標(biao)(冷(leng)水(shui)(shui)(shui)(shui)進(jin)(jin)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)(zhi),熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)進(jin)(jin)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)(zhi)),需求(qiu)留(liu)意一下幾點：進(jin)(jin)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質(zhi)(zhi)酸(suan)(suan)堿性(xing)(包括冷(leng)水(shui)(shui)(shui)(shui)和(he)用于(yu)(yu)換熱(re)(re)(re)(re)的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)),假如(ru)超(chao)出板式換熱(re)(re)(re)(re)器進(jin)(jin)水(shui)(shui)(shui)(shui)技術指(zhi)標(biao),需求(qiu)加裝(zhuang)(zhuang)PH調理安(an)(an)裝(zhuang)(zhuang),避(bi)免(mian)過(guo)酸(suan)(suan)腐蝕或(huo)者過(guo)堿構(gou)造梗塞;同事堿性(xing)也會腐蝕換熱(re)(re)(re)(re)器密封橡膠圈招致(zhi)走漏呈現.假如(ru)進(jin)(jin)水(shui)(shui)(shui)(shui)濁度(du)超(chao)標(biao)或(huo)進(jin)(jin)水(shui)(shui)(shui)(shui)中雜質(zhi)(zhi)過(guo)多過(guo)大(da)(包括冷(leng)水(shui)(shui)(shui)(shui)和(he)用于(yu)(yu)換熱(re)(re)(re)(re)的(de)熱(re)(re)(re)(re)水(shui)(shui)(shui)(shui)),倡議加裝(zhuang)(zhuang)自清洗過(guo)濾(lv)器,避(bi)免(mian)板式換熱(re)(re)(re)(re)器梗塞,假如(ru)影響不(bu)是很大(da),只(zhi)需在(zai)進(jin)(jin)水(shui)(shui)(shui)(shui)端加裝(zhuang)(zhuang)Y型(xing)過(guo)濾(lv)器即可.閉路循環要思索(suo)增加加藥安(an)(an)裝(zhuang)(zhuang),如(ru)投加緩(huan)蝕阻(zu)垢劑避(bi)免(mian)結垢。

半容積式換熱器由于具有良好的性能與使用優勢，因此很多消費者在選購換熱器產品時都會考慮該類型的產品。但是，換熱器廠家由于目前市場上該產品設備的品牌種類眾多，江西換熱器消(xiao)費者(zhe)(zhe)在選(xuan)購(gou)時(shi)一(yi)定要(yao)注意一(yi)些具體的(de)(de)(de)內容(rong)(rong)(rong)。下面(mian)就來(lai)介紹一(yi)下，消(xiao)費者(zhe)(zhe)應(ying)該注意的(de)(de)(de)內容(rong)(rong)(rong)有哪(na)些。設(she)備(bei)(bei)的(de)(de)(de)材(cai)質半容(rong)(rong)(rong)積式換(huan)熱(re)器(qi)的(de)(de)(de)材(cai)質是比(bi)較重要(yao)的(de)(de)(de)一(yi)個方面(mian)，消(xiao)費者(zhe)(zhe)在選(xuan)購(gou)的(de)(de)(de)設(she)備(bei)(bei)的(de)(de)(de)過程中，需(xu)要(yao)對(dui)設(she)備(bei)(bei)的(de)(de)(de)生產材(cai)料(liao)進(jin)行(xing)選(xuan)擇。一(yi)般(ban)來(lai)說(shuo)，換(huan)熱(re)器(qi)設(she)備(bei)(bei)都(dou)是采用不銹鋼(gang)材(cai)料(liao)生產的(de)(de)(de)，該材(cai)質的(de)(de)(de)設(she)備(bei)(bei)具有良好的(de)(de)(de)耐腐(fu)蝕(shi)性(xing)能，可以(yi)擁有較長的(de)(de)(de)使用壽(shou)命。 設(she)備(bei)(bei)的(de)(de)(de)容(rong)(rong)(rong)量消(xiao)費者(zhe)(zhe)在選(xuan)購(gou)半容(rong)(rong)(rong)積式換(huan)熱(re)器(qi)時(shi)，還需(xu)要(yao)對(dui)設(she)備(bei)(bei)的(de)(de)(de)容(rong)(rong)(rong)量進(jin)行(xing)選(xuan)擇。

在(zai)檢修維(wei)(wei)護(hu)換熱(re)器(qi)(qi)汽(qi)(qi)(qi)包(bao)時發現(xian)(xian)汽(qi)(qi)(qi)包(bao)封頭(tou)泄(xie)漏(lou)，在(zai)汽(qi)(qi)(qi)包(bao)封頭(tou)的閥蓋角(jiao)焊縫(feng)(feng)處出(chu)現(xian)(xian)裂(lie)紋，裂(lie)紋平行于(yu)焊縫(feng)(feng)。采用(yong)宏(hong)觀形(xing)(xing)貌分(fen)析、化學成(cheng)分(fen)分(fen)析、金相(xiang)檢驗、顯微硬度測定、能(neng)譜分(fen)析以(yi)及應力(li)分(fen)析等(deng)方法對泄(xie)漏(lou)處進行了分(fen)析。結果表明，汽(qi)(qi)(qi)包(bao)中水(shui)質含有較高濃度的堿性(xing)元素和氯、硫、氧等(deng)強(qiang)腐蝕(shi)性(xing)元素，又在(zai)焊接殘余應力(li)的作用(yong)下發生(sheng)應力(li)腐蝕(shi)開(kai)裂(lie)，最后(hou)導致汽(qi)(qi)(qi)包(bao)封頭(tou)產(chan)生(sheng)泄(xie)漏(lou)。應力(li)腐蝕(shi)；沿晶；堿脆；軋制帶(dai)狀組織某化工廠換熱(re)器(qi)(qi)汽(qi)(qi)(qi)包(bao)于(yu)1996年(nian)投(tou)入使用(yong)，于(yu)2005年(nian)上半(ban)年(nian)維(wei)(wei)護(hu)檢修時發現(xian)(xian)滲漏(lou)。經去除(chu)外面保(bao)溫材料(liao)后(hou)，發現(xian)(xian)汽(qi)(qi)(qi)包(bao)封頭(tou)的蓋板角(jiao)焊縫(feng)(feng)位置出(chu)現(xian)(xian)裂(lie)紋，裂(lie)紋為穿透型，起源于(yu)汽(qi)(qi)(qi)包(bao)封頭(tou)內表面，換熱(re)器(qi)(qi)外形(xing)(xing)尺(chi)寸為1632mm9423mm，汽(qi)(qi)(qi)包(bao)封頭(tou)外形(xing)(xing)尺(chi)寸1632mm400mm，汽(qi)(qi)(qi)包(bao)封頭(tou)材料(liao)為16MnR鋼。

容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器利用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)增壓(ya)(ya)泵(beng)出口處止回(hui)閥(fa)(fa)和(he)電(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)，當(dang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)統(tong)(tong)運(yun)行(xing)(xing)時，即用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)增壓(ya)(ya)泵(beng)啟動時，電(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)通電(dian)(dian)(dian)(dian)，當(dang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)統(tong)(tong)內壓(ya)(ya)力(li)超過(guo)定壓(ya)(ya)壓(ya)(ya)力(li)(確保(bao)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)統(tong)(tong)不倒空)后，電(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)自動開啟，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)回(hui)水(shui)(shui)經閥(fa)(fa)前閥(fa)(fa)定壓(ya)(ya)為(wei)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)統(tong)(tong)的定壓(ya)(ya)壓(ya)(ya)力(li)，并(bing)容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器減壓(ya)(ya)至和(he)熱(re)網回(hui)水(shui)(shui)管壓(ya)(ya)力(li)相同；當(dang)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器增壓(ya)(ya)泵(beng)停(ting)止運(yun)行(xing)(xing)時，電(dian)(dian)(dian)(dian)磁(ci)閥(fa)(fa)前閥(fa)(fa)斷電(dian)(dian)(dian)(dian)自動關(guan)閉，這(zhe)樣用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)統(tong)(tong)內的水(shui)(shui)就被密閉起來，如果(guo)不漏水(shui)(shui)，可保(bao)證用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)容積(ji)式(shi)(shi)換(huan)(huan)熱(re)器戶(hu)(hu)(hu)系(xi)統(tong)(tong)內壓(ya)(ya)力(li)在(zai)較長時間維持(chi)在(zai)定壓(ya)(ya)壓(ya)(ya)力(li)左右。也就是說，不論增壓(ya)(ya)冪運(yun)行(xing)(xing)還是不運(yun)行(xing)(xing)，用(yong)(yong)(yong)(yong)(yong)(yong)(yong)(yong)戶(hu)(hu)(hu)系(xi)締內的壓(ya)(ya)力(li)都(dou)町堆持(chi)在(zai)倧壓(ya)(ya)壓(ya)(ya)力(li)范圍內。